Rubber water stop | ||||||
item | index | |||||
B | S | J | ||||
Hardness(Shore A)degree | 60±5 | 60±5 | 60±5 | |||
Tensile Strength,MPa≥ | 15 | 12 | 10 | |||
Breaking elongation rate,% ≥ | 380 | 380 | 300 | |||
Compression permanent deformation | 70ºC*24h,%≤ | 35 | 35 | 35 | ||
23ºC*168h,%≤ | 20 | 20 | 20 | |||
Tear strength 21,KN/m≥ | 30 | 25 | 25 | |||
Brittle temperature,ºC≤ | -45 | -40 | -40 | |||
Hot air aging 31 | 70ºC*168h | Hardness(Shore A)degree | +8 | +8 | -- | |
Tensile Strength,MPa≥ | 12 | 10 | ||||
Breaking elongation rate, % ≥ | 300 | 300 | ||||
100ºC*168h | Hardness(Shore A)degree | -- | -- | -8 | ||
Tensile Strength,MPa≥ | 9 | |||||
Breaking elongation rate,% ≥ | 250 | |||||
Ozone aging 50pphm:20%,48h | level 2 | level 2 | level 0 | |||
Rubber and metal bonding | Section in the elastic body |